1125230012 has 24 divisors (see below), whose sum is σ = 2058890400. Its totient is φ = 537073856.

The previous prime is 1125229997. The next prime is 1125230021. The reversal of 1125230012 is 2100325211.

It is a happy number.

It is a super-2 number, since 2×1125230012² = 2532285159811040288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34814 + ... + 58842.

It is an arithmetic number, because the mean of its divisors is an integer number (85787100).

Almost surely, 2^1125230012 is an apocalyptic number.

It is an amenable number.

1125230012 is a deficient number, since it is larger than the sum of its proper divisors (933660388).

1125230012 is a wasteful number, since it uses less digits than its factorization.

1125230012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24565 (or 24563 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1125230012 is about 33544.4483037059. The cubic root of 1125230012 is about 1040.1127873241.

Adding to 1125230012 its reverse (2100325211), we get a palindrome (3225555223).

The spelling of 1125230012 in words is "one billion, one hundred twenty-five million, two hundred thirty thousand, twelve".